Home / 1,434,276.16-1,979,285.16-789,683.02

Finding the Fourth Proportional to 1,434,276.16, 1,979,285.16 and 789,683.02

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Solution

The fourth proportional to 1,434,276.16, 1,979,285.16 and 789,683.02 is: 1,089,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,276.16 : 1,979,285.16 = 789,683.02 : x
  2. Step 2: Convert to fraction form
    1,434,276.16/1,979,285.16 = 789,683.02/x
  3. Step 3: Cross multiply
    1,434,276.16x = 1,979,285.16 × 789,683.02
  4. Step 4: Simplify right side
    1,434,276.16x = 1,563,007,882,589.98
  5. Step 5: Solve for x
    x = 1,563,007,882,589.98/1,434,276.16
  6. Step 6: Final answer
    x = 1,089,753.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.